Their FAQ says it only works on absorbent natural materials (cotton, silk, rattan, wood, ...) so I doubt it would work on copper. It is a dye, after all, but it may have other applications.
Donald.
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----- Original Message -----
> From: "James Newton" <jamesmichaelnewton@...>
> To: "Homebrew PCBs" <Homebrew_PCBs@yahoogroups.com>
> Sent: Monday, November 21, 2011 1:23:06 PM
> Subject: [Homebrew_PCBs] inkodye photoresist?
> http://www.gizmag.com/inkodye-photo-fabric-dye/20541
>
> Interesting article/product. Wonder if it could be used as a
> photoresist?
>
> It can be used on materials other than cloth:
> http://lumi.co/blogs/projects/3790072-perfect-summer-bangle
>
> and the non-exposed material washes off, so the exposed material is
> being left behind. The question is: Will it resist an echant?
>
> and... is it any better than existing materials?
>
>
>
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